Size Range: DN15-DN900
Material: Carbon Steel, Stainless Steel, Cast Iron
Connection Options: Flanged
Working Pressure: Class 150 to Class 2500
Working Temperature: -29°C to 425°C
Sealing Options: Metal-to-Metal, Resilient Seat, Graphite, PTFE
Manufacturing Method: Cast, Forged, Machined
Applicable Medium: Water, Oil, Gas, Steam, Chemical Fluids
Manufacturing Standard: API 600
A stainless steel wedge gate valve is designed for reliable on/off isolation in demanding industrial pipeline systems. Manufactured to recognised standards such as API 600 / API 6D, ASME B16.34, and BS standards, it offers excellent corrosion resistance, high-temperature performance, and long service life. The wedge-shaped disc ensures tight shut-off, while stainless steel body and trim materials make the valve suitable for oil & gas, chemical processing, power generation, and water treatment applications where strength, durability, and operational reliability are essential.
| No. | Feature | Optimised Description |
|---|---|---|
| 1 | Operating System | Large handwheels provide smooth and easy manual operation. Gear operators, electric actuators, pneumatic or hydraulic actuators are available for demanding service conditions and large valve sizes. |
| 2 | Live Load Packing | Live-loaded packing is designed for services with frequent cycling or high pressure and temperature fluctuations. Belleville springs maintain constant packing stress, extending service life and reducing maintenance frequency. |
| 3 | Outside Screw & Yoke (OS&Y) | Cast steel outside screw and yoke design with the yoke integrally cast with the bonnet. Suitable for 150Lb–8″, 300Lb–8″, 600Lb–8″, and 900Lb–4″ and smaller valves, ensuring clear stem position indication and reliable operation. |
| 4 | Bonnet Connection (BB / Pressure Seal) | Bolted bonnet, welded bonnet, or pressure seal bonnet options are available. Pressure seal bonnets are recommended for applications with high pressure, high temperature, or frequent cycling. |
| 5 | End Connections | Available with flanged ends, RTJ flanges, or butt-weld ends to suit different piping systems and installation requirements. |
| 6 | Yoke Sleeve | Extended yoke sleeve design provides increased thread engagement between the stem and yoke sleeve, improving load distribution and service life. Rolling bearing yokes are standard for larger sizes such as 150Lb–12″, 300Lb–10″, 600Lb–6″, and 900/1500/2500Lb–4″. |
| 7 | Lantern Ring & Double Packing | Optional lantern ring with leak-off connection and double packing arrangement is available for critical or hazardous services to enhance sealing reliability. |
| 8 | Body-to-Bonnet Joint | Flat face gasket joints are used for 150Lb valves. Male and female joints are applied for 300Lb–600Lb valves. Ring joint connections are used for 900Lb and higher pressure class valves. |
| 9 | Stem Design | All wedge gate valves use a forged T-head stem. The T-head forging strengthens the stem-to-wedge connection, allows self-alignment of the wedge, and prevents stem bending or jamming during operation. |
| 10 | Wedge Design | Integral guide rib faces ensure accurate self-centring of the wedge. Flexible wedge gate valves are available with solid wedge, split wedge, or flexible wedge designs, suitable for a wide range of operating conditions. |
| Project Name | 150 (Lb) | 300 (Lb) | 600 (Lb) | 900 (Lb) | 1500 (Lb) | 2500 (Lb) |
|---|---|---|---|---|---|---|
| Nominal Pressure PN (MPa) | 2.0 | 5.0 | 10.0 | 15.0 | 25.0 | 45.0 |
| Case Test Pressure (MPa) | 3.0 | 7.5 | 15.0 | 22.5 | 37.5 | 67.5 |
| High-Pressure Sealing Test Pressure (MPa) | 2.2 | 5.5 | 11.0 | 16.5 | 27.5 | 49.5 |
| Maximum Working Pressure at Ambient Temperature (MPa) | ≤ 2.0 | ≤ 5.2 | ≤ 10.4 | ≤ 15.6 | ≤ 25.8 | ≤ 45.8 |
| Design | Structure Length | Connection Flange | Test and Inspection | Pressure and Temperature Reference |
|---|---|---|---|---|
| API 600 | ASME B16.10 | ASME B16.5 | API 598 | ASME B16.34 |
| Part Name | A216 WCB | A217 WC6 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
|---|---|---|---|---|---|---|
| Body | A216 WCB | A217 WC6 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| Valve Cover | A216 WCB | A217 WC6 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| Valve Plate | A216 WCB | A217 WC6 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| Sealing Face | 2Cr13 | STL | Body / STL | Body / STL | Body / STL | Body / STL |
| Stem | A182 F6a | A182 F11 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Gasket | 304 + Flexible Graphite | 304 + Flexible Graphite | 304 + Flexible Graphite | 304 + Flexible Graphite | 304 + Flexible Graphite | 304 + Flexible Graphite |
| Bolt | A193 B7 | A193 B7 | A193 B8 | A193 B8M | A193 B8M | A193 B8M |
| Nut | A194 2H | A194 6 | A194 8 | A194 8M | A194 8M | A194 8M |
| Applicable Temperature | –29 ~ 425 ℃ | –29 ~ 540 ℃ | –46 ~ 425 ℃ | –46 ~ 425 ℃ | –46 ~ 425 ℃ | –46 ~ 425 ℃ |
| Suitable Medium | Water, steam, oil products | Water, steam | Nitric acid and weakly corrosive media | Nitric acid and weakly corrosive media | Nitric acid and weakly corrosive media | Nitric acid and weakly corrosive media |
| Pressure:150Lb | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| DN | DN / in | L | D | D1 | D2 | b | z × Φd | H | Do | Weight (kg) |
| 15 | 1/2 | 108 | 90 | 60.5 | 35 | 12 | 4 × Φ15 | 188 | 90 | – |
| 20 | 3/4 | 117 | 100 | 70 | 43 | 12 | 4 × Φ15 | 202 | 90 | – |
| 25 | 1 | 127 | 110 | 79.5 | 51 | 12 | 4 × Φ15 | 225 | 100 | – |
| 32 | 1¼ | 140 | 115 | 89 | 64 | 13 | 4 × Φ15 | 252 | 100 | – |
| 40 | 1½ | 165 | 125 | 98.5 | 73 | 15 | 4 × Φ15 | 277 | 140 | – |
| 50 | 2 | 178 | 150 | 120.5 | 92 | 16 | 4 × Φ19 | 323 | 200 | 23 |
| 65 | 2½ | 190 | 180 | 139.5 | 105 | 18 | 4 × Φ19 | 347 | 250 | 32 |
| 80 | 3 | 203 | 190 | 152.5 | 127 | 19 | 4 × Φ19 | 383 | 250 | 40 |
| 100 | 4 | 229 | 230 | 190.5 | 157 | 24 | 8 × Φ19 | 457 | 300 | 63 |
| 125 | 5 | 254 | 255 | 216 | 185.7 | 24 | 8 × Φ22 | 632 | 300 | 66 |
| 150 | 6 | 267 | 280 | 241.5 | 216 | 26 | 8 × Φ22 | 635 | 350 | 108 |
| 200 | 8 | 292 | 345 | 298.5 | 270 | 29 | 8 × Φ22 | 762 | 350 | 171 |
| 250 | 10 | 330 | 405 | 362 | 324 | 31 | 12 × Φ25 | 895 | 400 | 263 |
| 300 | 12 | 356 | 485 | 432 | 381 | 32 | 12 × Φ25 | 1080 | 500 | 346 |
| 350 | 14 | 381 | 535 | 476 | 413 | 35 | 12 × Φ29 | 1295 | 600 | 488 |
| 400 | 16 | 406 | 595 | 540 | 470 | 37 | 16 × Φ29 | 1435 | 600 | 621 |
| 450 | 18 | 432 | 635 | 578 | 533.4 | 40 | 16 × Φ32 | 1626 | 650 | 814 |
| 500 | 20 | 457 | 700 | 635 | 584 | 43 | 20 × Φ32 | 1829 | 650 | 992 |
| 600 | 24 | 508 | 815 | 749.5 | 692 | 48 | 20 × Φ35 | 2175 | 700 | 1492 |
| 750 | 30 | 610 | 985 | 914.5 | 857 | 75 | 28 × Φ35 | 2692 | 700 | 2272 |
| 800 | 32 | 660 | 1060 | 978 | 914.4 | 81 | 28 × Φ41 | 3281 | – | 2480 |
| 900 | 36 | 711 | 1170 | 1085.9 | 1022 | 90 | 32 × Φ41 | 3721 | – | 3310 |
| Pressure:300Lb | ||||||||||
| DN | DN / in | L | D | D1 | D2 | b | z × Φd | H | Do | Weight (kg) |
| 15 | 1/2 | 140 | 95 | 66.5 | 35 | 15 | 4 × Φ15 | 155 | 100 | 3.7 |
| 20 | 3/4 | 152 | 115 | 82.5 | 43 | 16 | 4 × Φ19 | 160 | 100 | 4.3 |
| 25 | 1 | 165 | 125 | 89 | 51 | 18 | 4 × Φ19 | 186 | 125 | 7.1 |
| 32 | 1¼ | 178 | 135 | 98.5 | 63 | 19 | 4 × Φ19 | 216 | 160 | – |
| 40 | 1½ | 190 | 155 | 114.5 | 73 | 21 | 4 × Φ22 | 250 | 160 | 13.1 |
| 50 | 2 | 216 | 165 | 127 | 92 | 22 | 8 × Φ19 | 330 | 250 | 30 |
| 65 | 2½ | 241 | 190 | 149 | 105 | 25 | 8 × Φ22 | 368 | 250 | 36 |
| 80 | 3 | 283 | 210 | 168.5 | 127 | 29 | 8 × Φ22 | 394 | 300 | 61 |
| 100 | 4 | 305 | 255 | 200 | 157 | 32 | 8 × Φ22 | 473 | 300 | 77 |
| 125 | 5 | 381 | 280 | 235 | 186 | 35 | 8 × Φ22 | 660 | 350 | 106 |
| 150 | 6 | 403 | 320 | 270 | 216 | 37 | 12 × Φ22 | 711 | 350 | 153 |
| 200 | 8 | 419 | 380 | 330 | 270 | 41 | 12 × Φ25 | 813 | 400 | 286 |
| 250 | 10 | 457 | 445 | 387.5 | 324 | 48 | 16 × Φ29 | 1003 | 500 | 412 |
| 300 | 12 | 502 | 520 | 451 | 381 | 51 | 16 × Φ32 | 1137 | 600 | 576 |
| 350 | 14 | 762 | 585 | 514.5 | 413 | 54 | 20 × Φ32 | 1489 | 600 | 886 |
| 400 | 16 | 838 | 650 | 571.5 | 470 | 57 | 20 × Φ35 | 1581 | 650 | 1175 |
| 450 | 18 | 914 | 710 | 628.5 | 533 | 60 | 24 × Φ35 | 2017 | 838 | 1301 |
| 500 | 20 | 991 | 775 | 686 | 584 | 64 | 24 × Φ35 | 2228 | 889 | 1672 |
| 600 | 24 | 1143 | 915 | 813 | 692 | 70 | 24 × Φ41 | 2650 | 1092 | 2562 |
| Pressure:600Lb | ||||||||||
| DN | DN / in | L | D | D1 | D2 | b | z × Φd | H | Do | Weight (kg) |
| 15 | 1/2 | 165 | 95 | 66.5 | 35 | 22 | 4 × Φ15 | 155 | 100 | 3.8 |
| 20 | 3/4 | 190 | 120 | 82.5 | 43 | 23 | 4 × Φ19 | 160 | 100 | 5.4 |
| 25 | 1 | 216 | 125 | 89 | 51 | 25 | 4 × Φ19 | 186 | 125 | 7.6 |
| 32 | 1¼ | 229 | 135 | 98.5 | 63 | 28 | 4 × Φ19 | 216 | 160 | 10 |
| 40 | 1½ | 241 | 155 | 114.5 | 73 | 30 | 4 × Φ22 | 250 | 160 | 15 |
| 50 | 2 | 292 | 165 | 127 | 92 | 33 | 8 × Φ19 | 510 | 254 | 44 |
| 65 | 2½ | 330 | 190 | 149 | 100 | 36 | 8 × Φ22 | 554 | 254 | 60 |
| 80 | 3 | 356 | 210 | 168 | 127 | 39 | 8 × Φ22 | 595 | 305 | 80 |
| 100 | 4 | 432 | 275 | 216 | 157 | 45 | 8 × Φ25 | 712 | 356 | 145 |
| 125 | 5 | 508 | 330 | 266.5 | 186 | 52 | 8 × Φ29 | 826 | 406 | 236 |
| 150 | 6 | 559 | 355 | 292 | 216 | 55 | 12 × Φ29 | 995 | 508 | 309 |
| 200 | 8 | 660 | 420 | 349 | 270 | 63 | 12 × Φ32 | 1157 | 610 | 522 |
| 250 | 10 | 787 | 510 | 432 | 324 | 71 | 16 × Φ35 | 1373 | 686 | 779 |
| 300 | 12 | 838 | 560 | 489 | 381 | 74 | 20 × Φ35 | 1603 | 686 | 1108 |
| 350 | 14 | 889 | 605 | 527 | 413 | 77 | 20 × Φ38 | 1930 | 762 | 1503 |
| 400 | 16 | 991 | 685 | 603 | 470 | 84 | 20 × Φ41 | 2032 | 889 | 1939 |
| 450 | 18 | 1092 | 745 | 654 | 533 | 90 | 20 × Φ44 | 2286 | 889 | 2733 |
| 500 | 20 | 1194 | 815 | 724 | 584 | 96 | 24 × Φ44 | 2591 | 1118 | 3214 |
| 600 | 24 | 1397 | 940 | 838 | 692 | 109 | 24 × Φ52 | 3124 | 1118 | 4177 |
Discover our premium valve solutions and boost your efficiency. Contact
us now to find out how we can support your needs with top-quality
products and exceptional service.
0577—86938599
© Tang Gong Valve Group. All Rights Reserved.
